<!DOCTYPE html>
<html>
<head>
	<title>动画版helloworld</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
	<meta charset="utf-8"/>
	<script type="text/javascript" src="index.js"></script>
</head>
<body>
<canvas id="canvas" width="400" height="711">
	你的浏览器不支持canvas！
</canvas>
</body>
</html>